Properties: Crystals from isopropanol, mp 91°. Shows mutarotation. Final [a]D22 -56.2° (H2O). Sol in water, pyridine. Slightly sol in alc.
Melting point: mp 91°
Optical Rotation: [a]D22 -56.2° (H2O)
Derivative Type: 1,3,4-Triacetate
Percent Composition: C 50.77%, H 6.20%, O 43.04%
Properties: Needles from methanol, mp 98°. [a]D23 -171.8° (c = 0.56 in chloroform): Allerton, Overend, J. Chem. Soc.
1951, 1480.
Melting point: mp 98°
Optical Rotation: [a]D23 -171.8° (c = 0.56 in chloroform): Allerton, Overend, J. Chem. Soc.
1951, 1480
Derivative Type: 3,4,5-Triacetate
Properties: Oily liq, bp0.001 105°. [a]D21 +3.4° (c = 4.57 in pyridine): Zinner et al., Ber.
90, 2696 (1957).
Boiling point: bp0.001 105°
Optical Rotation: [a]D21 +3.4° (c = 4.57 in pyridine): Zinner et al., Ber.
90, 2696 (1957)
Derivative Type: 1,3,4-Tribenzoate
Properties: Small white nodules from ethanol, mp 127°. [a]D23 -65° (c = 1.02 in chloroform) (Allerton, Overend). Probably a mixture of the two anomeric 2-deoxy-D-ribopyranose tribenzoates: Pedersen et al., J. Am. Chem. Soc.
82, 3425 (1960).
Melting point: mp 127°
Optical Rotation: [a]D23 -65° (c = 1.02 in chloroform) (Allerton, Overend)
Derivative Type: 3,4,5-Tribenzoate
Properties: Fine needles from ethyl acetate + petr ether, mp 118-119°. [a]D18 -2.8° (c = 1.44 in pyridine) (Zinner).
Melting point: mp 118-119°
Optical Rotation: [a]D18 -2.8° (c = 1.44 in pyridine) (Zinner)
产品链接: 533-67-5››